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| Parameters | ST 16k20 |
|---|---|
| Maximum swing over bed mm | Ø400 |
| Maximum swing over cross-slide mm | Ø220 |
| Maximum length of the workpiece mm | 750/1000 |
| Maximum turning length per one set mm | 570/820 |
| Bore diameter mm | Ø52 |
| Spindle taper | МТ. №6 |
| Spindle nose | ISO 702/III № 6 bayonet ring fixing type |
| Spindle speed rpm | 9-1600 |
| Number of speeds | 24 |
| Maximum spindle torque Nm | 1400 |
| Number and range of longitude feeds: | |
| Standard mm/rev (inch/rev) | 0.063-2.52 (0.0023-0.0937) |
| Decreased mm/rev (inch/rev) | 0.028-0.056 (0.0010-0.0021) |
| Increased mm/rev (inch/rev) | 2.86-6.43 (0.1064-0.2392) |
| Number and range of cross feeds: | |
| Standard mm/rev (inch/rev) | 0.027-1.07 (0.0011-0.0404) |
| Decreased mm/rev (inch/rev) | 0.012-0.026 (0.0004-0.0010) |
| Increased mm/rev (inch/rev) | 1.21-2.73 (0.0457-0.1032) |
| Number and range of threads: | |
| Metric thread mm | 0.5-224 |
| Inch thread | 72-1/8 tpi |
| Module thread | 0.5-112 |
| Worm thread | 56-1/4 DP |
| Longitude rapid traverse rpm | 4.5 |
| Cross rapid traverse m/min | 1.9 |
| Thread pitch of the lead screw mm | 12 |
| Distance from the spindle to the tool base mm | 28 |
| Recommended size of the tool cross section mm | 25x25 |
| Compound rest angle ° | ±90 |
| Maximum travel of the longitude slide mm | 145 |
| Maximum travel of the carriage mm | 320 |
| Maximum cutting force H | 12000 |
| Maximum feeding force H | 3500 |
| Tailstock quill diameter mm | Ø75 |
| Tailstock quill taper | МТ№5 |
| Maximum travel of the tailstock quill mm | 150 |
| Cross travel of the tailstock mm | ±15 |
| Type of the main motor type | 5АМХ132S4У3 |
| Power of the main motor kW | 7.5 |
| Speed of the main motor rpm | 1450 |
| Type of the slide motor | 2AOS |
| Power of the slide motor kW | 0.250 |
| Speed of the slide motor rpm | 1360 |
| Type of the coolant pump | centrifugal |
| Type of the coolant pump motor | АИР56 А2у2 |
| Power of the coolant pump motor kW | 0.180 |
| Liquid flow at the end of the coolant pump l/min | 25/32/50 |
| V-belt | В-series |
| Machine dimensions (LхWхH) mm | 2210/2560х1020х1350 |
| Machine net weight kg | 2800/3000 |